<script lang="ts" setup name="LoginForm">
import Message from '@/components/message';
import { useRouter, useRoute } from 'vue-router'
import { ref, watch } from 'vue';
import useStore from '@/store';
// useField 提供value(表单的值)和errorMessage(错误的信息提示)
// useForm 提供校验规则
import { useField, useForm } from 'vee-validate'
import { useCountDown } from '@/utils/hooks'
import {
  accountRule,
  passwordRule,
  isAgreeRule,
  mobileRule,
  codeRule
} from '@/utils/validate'
const { user } = useStore()
const router = useRouter()
const route = useRoute()
const type = ref<'account' | 'mobile'>('account')
const { time, start } = useCountDown()



// 1. 提供校验规则
// validate: 整个表单的校验
// resetForm 重置表单
const { validate, resetForm } = useForm({
  validationSchema: {
    // 校验字段
    // 用户名
    account: accountRule,
    // 密码
    password: passwordRule,
    // 协议 
    isAgree: isAgreeRule,
    // 手机号
    mobile: mobileRule,
    // 验证码
    code: codeRule
  },
  // 初始化表单 - 默认值
  initialValues: {
    account: 'cdshi0006',
    password: '123456',
    isAgree: true,
    mobile: '13012345683',
    code: '123456',
  }
})
// 2. 提供value值和错误信息
// value -> 表单绑定的值(响应式)
// errorMessage -> 错误的信息
// 分别为字段去提供校验
const { value: account, errorMessage: accountError } = useField<string>('account')
const { value: password, errorMessage: passwordError } = useField<string>('password')
const { value: isAgree, errorMessage: isAgreeError } = useField<boolean>('isAgree')
const { value: mobile, errorMessage: mobileError, validate: validateMobile } = useField<string>('mobile')
const { value: code, errorMessage: codeError } = useField<string>('code')
// 登录
const login = async () => {
  // 对整个表单进行校验 
  const res = await validate()
  console.log(res);
  // // valid代表了对于整个表单校验的结果说明
  // if (!res.valid) return
  if (type.value === 'account') {
    // 账号登录
    if (res.errors.account || res.errors.password || res.errors.isAgree) return
    await user.login(account.value, password.value)
  } else {
    // 短信登录
    if (res.errors.mobile || res.errors.code || res.errors.isAgree) return
    await user.mobileLogin(mobile.value, code.value)
  }

  // 合并购物车
  const { cart } = useStore() 
  cart.mergeCart()

  Message.success('登录成功')
  // 登录成功, 跳转到首页 or 结算页
  const redirecUrl = (route.query.redirectUrl as string ) || '/'
  router.push(redirecUrl)
}

const mobileRef = ref<HTMLInputElement | null>(null)

// 发送验证码
const send = async () => {
  if (time.value > 0) return
  // 手机号进行验证
  const res = await validateMobile()
  // console.log('手机号的验证信息', res);
  if (!res.valid) {
    // 手机号没有通过校验, 自动获取焦点
    mobileRef.value?.focus()
    return
  }
  // 发送请求.....
  await user.sendMobileCode(mobile.value)
  Message.success('获取验证码成功~')

  // 开启倒计时
  start()
}

// 监听type的变化
watch(type, () => {
  // 重置表单
  resetForm()
})
</script>
<template>
  <div class="account-box">
    <div class="toggle">
      <a href="javascript:;" @click="type = 'account'" v-if="type === 'mobile'">
        <i class="iconfont icon-user"></i> 使用账号登录
      </a>
      <a href="javascript:;" @click="type = 'mobile'" v-else>
        <i class="iconfont icon-msg"></i> 使用短信登录
      </a>
    </div>
    <div class="form">
      <template v-if="type === 'account'">
        <div class="form-item">
          <div class="input">
            <i class="iconfont icon-user"></i>
            <input type="text" v-model="account" placeholder="请输入用户名或手机号" />
          </div>
          <!-- 错误信息提示 -->
          <div class="error" v-if="accountError">
            <i class="iconfont icon-warning" />{{ accountError }}
          </div>
        </div>
        <div class="form-item">
          <div class="input">
            <i class="iconfont icon-lock"></i>
            <input type="password" v-model="password" placeholder="请输入密码" />
          </div>
          <!-- 错误信息提示 -->
          <div class="error" v-if="passwordError">
            <i class="iconfont icon-warning" />{{ passwordError }}
          </div>
        </div>
      </template>
      <template v-else>
        <div class="form-item">
          <div class="input">
            <i class="iconfont icon-user"></i>
            <input type="text" ref="mobileRef" v-model="mobile" placeholder="请输入手机号" />
          </div>
          <!-- 错误信息提示 -->
          <div class="error" v-if="mobileError">
            <i class="iconfont icon-warning" />{{ mobileError }}
          </div>
        </div>
        <div class="form-item">
          <div class="input">
            <i class="iconfont icon-code"></i>
            <input type="password" v-model="code" placeholder="请输入验证码" />
            <span class="code" @click="send">{{ time === 0 ? '发送验证码' : `${time}s后发送` }}</span>
          </div>
          <!-- 错误信息提示 -->
          <div class="error" v-if="codeError">
            <i class="iconfont icon-warning" />{{ codeError }}
          </div>
        </div>
      </template>
      <div class="form-item">
        <div class="agree">
          <!-- 复选框组件 -->
          <XtxCheckBox v-model="isAgree">我已同意</XtxCheckBox>
          <a href="javascript:;">《隐私条款》</a>
          <span>和</span>
          <a href="javascript:;">《服务条款》</a>
        </div>
        <!-- 错误信息提示 -->
        <div class="error" v-if="isAgreeError">
          <i class="iconfont icon-warning" />{{ isAgreeError }}
        </div>
      </div>
      <a href="javascript:;" @click="login" class="btn">登录</a>
    </div>
    <div class="action">
      <!-- QQ登录按钮 -->
      <a
        href="https://graph.qq.com/oauth2.0/authorize?client_id=100556005&response_type=token&scope=all&redirect_uri=http%3A%2F%2Fwww.corho.com%3A8080%2F%23%2Flogin%2Fcallback">
        <img src="https://qzonestyle.gtimg.cn/qzone/vas/opensns/res/img/Connect_logo_7.png" alt="" />
      </a>
      <div class="url">
        <a href="javascript:;">忘记密码</a>
        <a href="javascript:;">免费注册</a>
      </div>
    </div>
  </div>
</template>

<style scoped lang="less">
// 账号容器
.account-box {
  .toggle {
    padding: 15px 40px;
    text-align: right;

    a {
      color: @xtxColor;

      i {
        font-size: 14px;
      }
    }
  }

  .form {
    padding: 0 40px;

    &-item {
      margin-bottom: 28px;

      .input {
        position: relative;
        height: 36px;

        >i {
          width: 34px;
          height: 34px;
          background: #cfcdcd;
          color: #fff;
          position: absolute;
          left: 1px;
          top: 1px;
          text-align: center;
          line-height: 34px;
          font-size: 18px;
        }

        input {
          padding-left: 44px;
          border: 1px solid #cfcdcd;
          height: 36px;
          line-height: 36px;
          width: 100%;

          &.error {
            border-color: @priceColor;
          }

          &.active,
          &:focus {
            border-color: @xtxColor;
          }
        }

        .code {
          position: absolute;
          right: 1px;
          top: 1px;
          text-align: center;
          line-height: 34px;
          font-size: 14px;
          background: #f5f5f5;
          color: #666;
          width: 90px;
          height: 34px;
          cursor: pointer;
        }
      }

      >.error {
        position: absolute;
        font-size: 12px;
        line-height: 28px;
        color: @priceColor;

        i {
          font-size: 14px;
          margin-right: 2px;
        }
      }
    }

    .agree {
      a {
        color: #069;
      }
    }

    .btn {
      display: block;
      width: 100%;
      height: 40px;
      color: #fff;
      text-align: center;
      line-height: 40px;
      background: @xtxColor;

      &.disabled {
        background: #cfcdcd;
      }
    }
  }

  .action {
    padding: 20px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;

    img {
      cursor: pointer;
    }

    .url {
      a {
        color: #999;
        margin-left: 10px;
      }
    }
  }
}
</style>
